(function($){
  $.fn.aa = function(options) { 
   var defaults = { 
     Event : "click",   
     msg : "Holle word!"   
   }; 
   var options = $.extend(defaults,options); 
   var $this = $(this);   
  
   $this.live(options.Event,function(e){ 
     alert(options.msg); 
   }); 
  } 
})(jQuery);  